Fixed a bug with profile autoguessing.
TextRenderer columns that are meant to be addresses are converted to an address before printing.
Added testcases for mfind, mls, mcat and pkt_queues.
Improved output of lsof.
Minor cosmetic fixes for check_idt, iomem.

R=scudette@gmail.com

Review URL: https://codereview.appspot.com/106180048